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Recursive flood fill with 4 directions. Flood fill, also called seed fill, is a flooding algorithm that determines and alters the area connected to a given node in a multi-dimensional array with some matching attribute.
A water wheel in Erlangen, Germany The reversible water wheel powering a mine hoist in De re metallica (Georgius Agricola, 1566) The sound of the Otley waterwheel, at Manchester Museum of Science and Industry. A water wheel is a machine for converting the kinetic energy of flowing or falling water into useful forms of power, often in a watermill.
A person performing the ALS Ice Bucket Challenge. The Ice Bucket Challenge, sometimes called the ALS Ice Bucket Challenge, was an activity involving the pouring of a bucket of ice water over a person's head, either by another person or self-administered, to promote awareness of the disease amyotrophic lateral sclerosis (ALS, also known as motor neuron disease or Lou Gehrig's disease) and ...
Watermill of Braine-le-Château, Belgium (12th century) Interior of the Lyme Regis watermill, UK (14th century). A watermill or water mill is a mill that uses hydropower.It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering.
A shadoof or shaduf [1] is an irrigation tool that is used to lift water from a water source onto land or into another waterway or basin. It is highly efficient, and has been known since 3000 BCE. [citation needed] The mechanism of a shadoof comprises a long counterbalanced pole on a pivot, with a bucket attached to the end of it.
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Survivalcraft is a 2011 open sandbox video game developed by Marcin Igor Kalicinski under the brand Candy Rufus Games. Following early test versions, it was released on 16 November 2011 for the Windows Phone, and is also available for Android, iOS, and Microsoft Windows.